C. Line 题目连接： http://www.codeforces.com/contest/7/problem/C Description A line on the plane is described by an…

Cows Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 8497   Accepted: 2777 Description …

1079: [SCOI2008]着色方案 Time Limit: 20 Sec Memory Limit: 256 MB 题目连接 http://www.lydsy.com/JudgeOnline/problem.php…

Keywords Search Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Jav…

D. Nested Segments 题目连接： http://www.codeforces.com/contest/652/problem/D Description You are given n segments …

4517: [Sdoi2016]排列计数 题目连接： http://www.lydsy.com/JudgeOnline/problem.php?id=4517 Description 求有多少种长度为 n 的序列 A，满…

题面：4989: [Usaco2017 Feb]Why Did the Cow Cross the Road 连接 http://www.lydsy.com/JudgeOnline/problem.php?id=4989…

Born Slippy 题目连接： http://acm.hdu.edu.cn/showproblem.php?pid=5735 Description Professor Zhang has a rooted tree…

Mine Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65535/32768 K (Java/Others)To…

Activation Time Limit: 20000/10000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/O…

题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=1014 题目大意： 有Step和Mod两个数可以生成循环序列：0、Step %Mod、2Step%Mod、3Step%Mod…

Closest Common Ancestors Time Limit: 2000MS   Memory Limit: 10000K Total Submissions: 1337…